Isaac de l'Ostal de Saint-Martin

He served under Admiral Rijcklof van Goens in campaigns against the Portuguese on the west coast of India.

Like Van Rheede Lostal was interested in botany and a friend of Joan Huydecoper, an Amsterdam burgomaster and one of the managers of the Dutch East India Company.

Lostal owned three microscopes and was helping the blind Rumphius, a German botanist on Ambon Island, to get his books written and published.

He received 1200 books in many languages, like Hebrew, Arab, Persian and Portuguese, including Malay.

His mansion and garden in Kemayoran with a Japanese pavillon was sold to Joan van Hoorn, as foreigners (c.q.